Afonso Henriques Silva Leite wrote: > I am studying documentation, but also am in a hurry! I need to create a > 1000x2 matrix, and apply a function to the second column. It is possible > to do this? I think map function is a good candidate to do that but > didn't find out a good example of it... > Thanks in advance. >
One way: sage: a=matrix(5,2,range(10)) sage: a [0 1] [2 3] [4 5] [6 7] [8 9] sage: a[:,1]=[[i^2] for i in a[:,1].list()] sage: a [ 0 1] [ 2 9] [ 4 25] [ 6 49] [ 8 81] Or you could just use a for loop... Jason --~--~---------~--~----~------------~-------~--~----~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to sage-support-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~----------~----~----~----~------~----~------~--~---
